Wessington Springs herald. (Wessington Springs, Aurora County, Dakota [S.D.]) 1883-1891, 1887-07-15
MECHANICAL

knives consists in forminnA ~ ~
handles by boring out and thek
one end of blank, and c1 nattesa
mouth Of the bore by draw;ssllA }
gether in dies. and in fo,as J
knife-blade by Hattening and t .ls
the other end of the blank ~ ,1thp
HERE is not so much need .,
paper in the manufacture Of :. Of =,
and all cabinet work nowadara ."'as
machinery used turns out vsss a
work. 1t is estimated by o,l PET
largest manufacturers of saa rae Of d
the country that not more tl,an papa a
cent. of the amount of last ysa.,. :" 4
ness will be done this year S~s
WREN, some years since, n;,x
were almost exclusively made E,'s : ' \
ada and Michigan, the 6G.;nole'
was principally made, but af.. Il
trade got more sensible, and ' tSs
want of large timber and nearn ,a'''
convenience to the ocean, tbsr ~
making the 6O-inch stave VI 81
smaller enc within reach of New uu y
A GERMAN inventor has recent.
PRODUCED improvements in tha !,
ment of wood, to render this MT. u
less liable TO the influence Of mn a:'s
His system is of special value 70.
pavements. The blocks are first =.
with solution of water glass, an ,i: |
mpregnated with a mixtura" az /
silicic acid and some bitumi1ors
pounds. Y
THE preser7ative quality o. 90,
ter is shown By the fact that a,oon
articles recovered from vessels srs,]
the harbor of vigo, Spain, in l7 S'l|
specimens of legwood and moS.,|
that, notwithstanding their Isl Y
submersiou, are in a perfect III
preservation. Dyers who experipssl
with che logwood say that it is eva.
ter tor coloring purposes than til, u
now imported.
~ MELL-hNoWN gteam-engine I,i|
says that large share OF tbe i
found with the engines runnin@
steadily comes from permitting
governor to get dry from lack Of al
gummed up in some of its essa1
parts. He instances sending a man
miles apon repeated complaints Al
engine sold two years previous
halliday spent in putting the rorel
in condition was all the man dil NJ
he got here.-Anaerican Mochiuil
A NEW kind of scales consists
simple balance arm; resting on a nd
point, supported by a standard al
eighteen inches in height. There
two scales in the balance arm, one
notes the weight and the total cos
the article weighed, the other theu1
price, which is designated by sid
weight, From this sliding weigh
suspended the scoop OF slab to con
the article to be weighed. By
scale the total cost of an article at
point is given immediately upon We
ing it.
PORTLAND cement is an artit
product, chemically proportional
the proper selection of the mate
entering into it's composition. III
whether chalk or clay. as in EngI
mari Oh clay, as in Germany, Cd
draulic timestones, as in this cou4
are, in avery case, reduced to- the i
powder by either wet or dry grind
and this powder moistened mere4
the dry process, or in the form Of a
i'll the vet process, becomespracv.s(
either by drying in large tanks d
being 2nolded into bricks, eggs
other forms, q new stone, III whicl
the clements are brought INTO /
contact and are in perfect clel
proportion. This artifcially-nade
stone, burnt, as it u.s.. at high he'd
close kilns, has every element q
ically active, and the clinker repres|
practically, when properlr INI
toned chemically, decomposition
basic silicate of lime. and aluminat|
lime. This ground clinker is the
land cement Of commerce.. fixed
form product, sold under warrant
its strength and fineness. and dep
ing upon the comfortable element
skillful manufacture for It's char
and uniformity.